class X implements Comparable2<X> {
    private int x;
    @Override
    public Compare compareTo2(X obj) {
        if(x < obj.x) {
            return Compare.LESS_THAN;
        } else if (x == obj.x ) {
            return Compare.EQUALS;
        } else {
            return Compare.GREATER_THAN;
        }
    }
}
enum Compare implements Comparable2<Compare> { LESS_THAN {
    @Override
    public Compare compareTo2(Compare obj) {
        if(obj.ordinal() < this.ordinal()) {
            return LESS_THAN;
        } else if (obj.ordinal() == this.ordinal()) {
            return EQUALS;
        } else {
            return GREATER_THAN;
        }
    }
    }, EQUALS {
    @Override
    public Compare compareTo2(Compare obj) {
        if(obj.ordinal() < this.ordinal()) {
            return LESS_THAN;
        } else if (obj.ordinal() == this.ordinal()) {
            return EQUALS;
        } else {
            return GREATER_THAN;
        }
    }
    }, GREATER_THAN {
    @Override
    public Compare compareTo2(Compare obj) {
        if(obj.ordinal() < this.ordinal()) {
            return LESS_THAN;
        } else if (obj.ordinal() == this.ordinal()) {
            return EQUALS;
        } else {
            return GREATER_THAN;
        }
    }
}
}

interface Comparable2<T> {
    Compare compareTo2(T obj);
}